Research is a scientific investigation which follows a procedure of observing, hypothesizing, testing, analysing and presenting the data.Variables are contained in every research because they serve as the objects to be observed or the result of those observationsWe appreciate your questions. Please, never hesitate to ask more in Brainly your queries.
b isn't a valid question of a critical question.
B words used in ways that make their precise common meaning clear
Answer:
He followed her with his machete
Explanation: